Παραπομπή APA

Albert Y Leung & Albert Y Leung. (1980). Encyclopedia of common natural ingredients: Used in food,drugs and cosmetics. John wiley.

Παραπομπή Chicago Style

Albert Y Leung και Albert Y Leung. Encyclopedia of Common Natural Ingredients: Used in Food,drugs and Cosmetics. John wiley, 1980.

Παραπομπή MLA

Albert Y Leung και Albert Y Leung. Encyclopedia of Common Natural Ingredients: Used in Food,drugs and Cosmetics. John wiley, 1980.